PgHero - Rails database insights made easy. Add the gem, get a dashboard with long running queries, cache hit rate, and more.
pganalyze - PostgreSQL performance monitoring installed within minutes
NewRelic - New Relic is a Software Analytics company that makes sense of billions of metrics across millions of apps. We help the people who build modern software understand the stories their data is trying to tell them.
Font Awesome - Font Awesome makes it easy to add vector icons and social logos to your website. And version 5 is redesigned and built from the ground up!
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
BoxIcons - High quality web friendly icon font